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sam 2024-08-18 22:17:22 +12:00
parent b8aa496964
commit 20ae97dbfd
2 changed files with 66 additions and 17 deletions
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1
include/slibs Submodule

@ -0,0 +1 @@
Subproject commit 112d98edcdd9780dbe101674568b9e6450e01d1a

82
src/main.c
View file

@ -5,10 +5,11 @@
#include <math.h>
#include <shaders/shader.glsl.h>
#include <slibs/slibs.h>
static struct {
sg_pipeline pip;
sg_bindings bind;
sl_vec(sg_bindings*) bindings;
sg_pass_action pass_action;
} state;
@ -23,6 +24,51 @@ static void init(void) {
.logger.func = slog_func,
});
{
vertex_t vertices[] = {
{ 1.0f, 1.0f, 0.0f, 1.0f * 32767, 1.0f * 32767 }, // top right
{ 1.0f, -1.0f, 0.0f, 1.0f * 32767, 0.0f * 32767 }, // bottom right
{ -1.0f, -1.0f, 0.0f, 0.0f * 32767, 0.0f * 32767 }, // bottom left
{ -1.0f, 1.0f, 0.0f, 0.0f * 32767, 1.0f * 32767 } // top left
};
unsigned int indices[] = { // note that we start from 0!
0, 1, 3, // first triangle
1, 2, 3 // second triangle
};
sg_bindings* bind = calloc(1, sizeof(sg_bindings));
sl_vec_push(state.bindings, bind);
bind->vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
.data = SG_RANGE(vertices),
.label = "triangle-vertices"
});
bind->index_buffer = sg_make_buffer(&(sg_buffer_desc){
.type = SG_BUFFERTYPE_INDEXBUFFER,
.data = SG_RANGE(indices),
.label = "triangle-indices"
});
uint32_t pixels[2*2] = {
0xFF595959, 0xFF242424,
0xFF242424, 0xFF595959
};
bind->fs.images[SLOT_tex] = sg_make_image(&(sg_image_desc){
.width = 2,
.height = 2,
.data.subimage[0][0] = SG_RANGE(pixels),
.label = "triangle-texture",
.pixel_format = SG_PIXELFORMAT_BGRA8,
});
bind->fs.samplers[SLOT_smp] = sg_make_sampler(&(sg_sampler_desc){
.label = "triangle-sampler"
});
}
{
vertex_t vertices[] = {
{ 0.5f, 0.5f, 0.0f, 1.0f * 32767, 1.0f * 32767 }, // top right
{ 0.5f, -0.5f, 0.0f, 1.0f * 32767, 0.0f * 32767 }, // bottom right
@ -35,35 +81,36 @@ static void init(void) {
1, 2, 3 // second triangle
};
state.bind.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
sg_bindings* bind = calloc(1, sizeof(sg_bindings));
sl_vec_push(state.bindings, bind);
bind->vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
.data = SG_RANGE(vertices),
.label = "triangle-vertices"
});
state.bind.index_buffer = sg_make_buffer(&(sg_buffer_desc){
bind->index_buffer = sg_make_buffer(&(sg_buffer_desc){
.type = SG_BUFFERTYPE_INDEXBUFFER,
.data = SG_RANGE(indices),
.label = "triangle-indices"
});
uint32_t pixels[4*4] = {
0xFF000000, 0xFFFF00FF, 0xFF000000, 0xFFFF00FF,
0xFFFF00FF, 0xFF000000, 0xFFFF00FF, 0xFF000000,
0xFF000000, 0xFFFF00FF, 0xFF000000, 0xFFFF00FF,
0xFFFF00FF, 0xFF000000, 0xFFFF00FF, 0xFF000000,
uint32_t pixels[2 * 2] = {
0xFF242424, 0xFF595959,
0xFF595959, 0xFF242424,
};
state.bind.fs.images[SLOT_tex] = sg_make_image(&(sg_image_desc){
.width = 4,
.height = 4,
bind->fs.images[SLOT_tex] = sg_make_image(&(sg_image_desc){
.width = 2,
.height = 2,
.data.subimage[0][0] = SG_RANGE(pixels),
.label = "triangle-texture",
.pixel_format = SG_PIXELFORMAT_RGBA8,
.pixel_format = SG_PIXELFORMAT_BGRA8,
});
state.bind.fs.samplers[SLOT_smp] = sg_make_sampler(&(sg_sampler_desc){
bind->fs.samplers[SLOT_smp] = sg_make_sampler(&(sg_sampler_desc){
.label = "triangle-sampler"
});
}
sg_shader shd = sg_make_shader(triangle_shader_desc(sg_query_backend()));
@ -89,8 +136,10 @@ static void init(void) {
void frame(void) {
sg_begin_pass(&(sg_pass){ .action = state.pass_action, .swapchain = sglue_swapchain() });
sg_apply_pipeline(state.pip);
sg_apply_bindings(&state.bind);
sg_draw(0, 6, 1);
for(sl_vec_it(bind, state.bindings)) {
sg_apply_bindings(*bind);
sg_draw(0, 6, 1);
}
sg_end_pass();
sg_commit();
}
@ -111,5 +160,4 @@ sapp_desc sokol_main(int argc, char* argv[]) {
.icon.sokol_default = true,
.logger.func = slog_func,
};
}
}